Housing for receiving a cable drum

Abstract

A housing for receiving a cable drum of an adjustment device for a motor vehicle includes a bearing point for rotatably mounting a cable drum, at least one wall encompassing the cable drum along the peripheral surface thereof when the cable drum is mounted in the housing, and a securing element arranged in a region of the wall of the housing and serving to secure a tractive device extending along the peripheral surface of a cable drum. The securing element is elastically configured and may be moved by deformation in the radial direction in relation to the bearing point.

1. A housing for receiving a cable drum of an adjustment device for a motor vehicle wherein the cable drum comprises a peripheral surface with guide means for a tractive member encircling the cable drum, the housing comprising:
 a bearing point for rotatably mounting the cable drum; 
 at least one wall encompassing the cable drum along the peripheral surface of the cable drum when said cable drum is mounted in the housing; 
 a securing element proximate to the wall of the housing and configured to secure the tractive member extending along the peripheral surface of the cable drum when the cable drum is mounted in the housing; 
 wherein the bearing point comprises a positive connection element for positively retaining the cable drum when mounted on the bearing point, the positive connection element being formed by a projection projecting radially outwardly from the bearing point; 
 wherein the securing element is located opposite the projection; 
 wherein the securing element is, elastically configured and is movable by deformation in a radial direction in relation to the bearing point; and 
 wherein due to the elastic configuration of the securing element, the securing element yields outwardly in the radial direction when fitting the cable drum into the housing such that the cable drum is rotatably mounted on the bearing point. 
 
     
     
       2. The housing according to  claim 1 , wherein the securing element comprises a stop face which faces the bearing point of the housing. 
     
     
       3. The housing according to  claim 1  or  2 , wherein the securing element is outwardly movable away from the bearing point by elastic deformation in the radial direction in relation to the bearing point. 
     
     
       4. The housing according to  claim 1 , wherein the securing element is connected to the wall of the housing via a connecting portion. 
     
     
       5. The housing according to  claim 4 , wherein a side of the securing element facing away from the bearing point is spaced apart from an opposing wall portion of the wall of the housing. 
     
     
       6. The housing according to  claim 1 , wherein a free space is provided on a side of the securing element facing away from the bearing point. 
     
     
       7. The housing according to  claim 1 , wherein the securing element is formed integrally on the housing. 
     
     
       8. The housing according to  claim 1 , wherein the bearing point is formed by a fixed bearing axis. 
     
     
       9. The housing according to  claim 1 , wherein the bearing point is arranged on a bottom region of the housing. 
     
     
       10. The housing according to  claim 1 , wherein the bearing point is formed integrally on the housing. 
     
     
       11. The housing according to  claim 1 , wherein the positive connection element is configured rigidly. 
     
     
       12. The housing according to  claim 1 , wherein guide regions are provided on the housing as inlets and outlets for the tractive member to be conveyed toward the interior of the housing. 
     
     
       13. The housing according to  claim 12 , wherein the guide regions are arranged and configured for guiding the tractive member such that the tractive member is pretensioned radially inwardly in the direction of the bearing point. 
     
     
       14. The housing according to  claim 12  or  13 , wherein the guide regions define two guide channels, of which one serves as an inlet for the tractive member and the other as an outlet for the tractive member and which in relation to the bearing point enclose an angle of less than 180°. 
     
     
       15. The housing according to  claim 14 , wherein the angle enclosed by the guide regions is between 120° and 180°. 
     
     
       16. The housing according to  claim 14 , wherein the securing element is arranged in a region of the wall of the housing in which the two guide channels defined by the guide regions converge. 
     
     
       17. The housing according to  claim 12 , wherein the guide regions define two guide channels of which one serves as an inlet for the tractive member and the other as an outlet for the tractive member and which in relation to the bearing point enclose an angle of more than 180°. 
     
     
       18. The housing according to  claim 17 , wherein the angle enclosed by the guide regions is between 180° and 240°. 
     
     
       19. The housing according to  claim 17  or  18 , wherein the securing element is arranged in a region of the wall of the housing opposing, substantially in the radial direction, the region of the wall in which the two guide channels defined by the guide regions converge. 
     
     
       20. The housing according to  claim 1 , wherein the cable drum is mounted on the bearing point of the housing. 
     
     
       21. The housing according to  claim 20 , wherein the bearing point of the housing is configured as a bearing element which penetrates a bearing aperture of the cable drum. 
     
     
       22. The housing according to  claim 20  or  21 , wherein the guide means extending on the outer peripheral surface of the cable drum are configured as guide grooves. 
     
     
       23. The housing according to  claim 22 , wherein the extension of the securing element in the axial direction of the cable drum is greater than the extension of the guide grooves plus the extension of a positive connection element of the bearing point in the axial direction. 
     
     
       24. The housing according to  claim 20 , wherein the securing element in the axial direction of the cable drum completely covers the opposing guide grooves of the cable drum. 
     
     
       25. The housing according to  claim 20 , wherein the securing element in the axial direction of the cable drum has a greater extension than the peripheral surface of the cable drum. 
     
     
       26. The housing according to  claim 20 , wherein the cable drum is encircled by the tractive member. 
     
     
       27. A housing for receiving a cable drum of an adjustment device for a motor vehicle which comprises a peripheral surface with guide means for a tractive member encircling the cable drum, the housing comprising:
 a bearing point for rotatably mounting the cable drum; 
 at least one wall encompassing the cable drum along its peripheral surface when said cable drum is mounted in the housing; 
 a securing element proximate to the wall of the housing and configured to secure the tractive member extending along the peripheral surface of the cable drum when the cable drum is mounted in the housing; 
 wherein the securing element is elastically configured and is movable by deformation in a radial direction in relation to the bearing point; and 
 wherein on the wall of the housing further securing regions are arranged projecting from the wall of the housing in the direction of the bearing point. 
 
     
     
       28. The housing according to  claim 27 , wherein the further securing regions are arranged on the wall of the housing such that none of the further securing regions opposes the securing element in the radial direction in relation to the bearing point. 
     
     
       29. The housing according to  claim 27  or  28 , wherein the further securing regions are formed integrally on the wall of the housing.